1/*- 2 * Copyright (c) 2002-2003 Networks Associates Technology, Inc. 3 * Copyright (c) 2004-2007 Dag-Erling Smørgrav 4 * All rights reserved. 5 * 6 * This software was developed for the FreeBSD Project by ThinkSec AS and 7 * Network Associates Laboratories, the Security Research Division of 8 * Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 9 * ("CBOSS"), as part of the DARPA CHATS research program. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. The name of the author may not be used to endorse or promote 20 * products derived from this software without specific prior written 21 * permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * $Id: pam_start.c 408 2007-12-21 11:36:24Z des $ 36 */ 37 38#include <stdlib.h> 39 40#include <security/pam_appl.h> 41 42#include "openpam_impl.h" 43 44/* 45 * XSSO 4.2.1 46 * XSSO 6 page 89 47 * 48 * Initiate a PAM transaction 49 */ 50 51int 52pam_start(const char *service, 53 const char *user, 54 const struct pam_conv *pam_conv, 55 pam_handle_t **pamh) 56{ 57 struct pam_handle *ph; 58 int r; 59 60 ENTER(); 61 if ((ph = calloc(1, sizeof *ph)) == NULL) 62 RETURNC(PAM_BUF_ERR); 63 if ((r = pam_set_item(ph, PAM_SERVICE, service)) != PAM_SUCCESS) 64 goto fail; 65 if ((r = pam_set_item(ph, PAM_USER, user)) != PAM_SUCCESS) 66 goto fail; 67 if ((r = pam_set_item(ph, PAM_CONV, pam_conv)) != PAM_SUCCESS) 68 goto fail; 69 70 r = openpam_configure(ph, service); 71 if (r != PAM_SUCCESS) 72 goto fail; 73 74 *pamh = ph; 75 openpam_log(PAM_LOG_LIBDEBUG, "pam_start(\"%s\") succeeded", service); 76 RETURNC(PAM_SUCCESS); 77 78 fail: 79 pam_end(ph, r); 80 RETURNC(r); 81} 82 83/* 84 * Error codes: 85 * 86 * =openpam_configure 87 * =pam_set_item 88 * !PAM_SYMBOL_ERR 89 * PAM_BUF_ERR 90 */ 91 92/** 93 * The =pam_start function creates and initializes a PAM context. 94 * 95 * The =service argument specifies the name of the policy to apply, and is 96 * stored in the =PAM_SERVICE item in the created context. 97 * 98 * The =user argument specifies the name of the target user - the user the 99 * created context will serve to authenticate. 100 * It is stored in the =PAM_USER item in the created context. 101 * 102 * The =pam_conv argument points to a =struct pam_conv describing the 103 * conversation function to use; see =pam_conv for details. 104 * 105 * >pam_get_item 106 * >pam_set_item 107 * >pam_end 108 */ 109